<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>JavaScript 对象-创建 JavaScript 对象-2</title>
</head>

<body>
    <!-- 大括号里面创建 name:value 对，然后 name:value 对之间以逗号 , 隔开。 -->
    <script>
        person = { firstname: "John", lastname: "Doe", age: 50, eyecolor: "blue" }
        document.write(person.firstname + " is " + person.age + " years old.");
    </script>
</body>

</html>